Inheritance diagram for V4LDevice:

Collaboration diagram for V4LDevice:

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Public Member Functions
	V4LDevice (USBCameraConnectionContext camera_ctx)
	Default constructor. More...

const v4l_status	getStatus ()

const std::string	getName ()

virtual bool	isPlaying ()

virtual void	open_ ()
	Init camera device with some parameters. More...

virtual void	close_ ()

virtual int	pull ()
	Populates basicframe, sends it through the filter.

virtual void	play ()

virtual void	stop ()

Public Member Functions inherited from USBDevice
	USBDevice (FrameFilter *framefilter)

int	getFd ()

void	setupFrame (SetupFrame frame)
	sets the setupframe and writes it to the framefilter

Protected Attributes
USBCameraConnectionContext	camera_ctx

v4l_status	status
	State of the device.

struct v4l2_buffer	buf

std::vector< BasicFrame * >	ring_buffer

SetupFrame	setup_frame

FrameFilter *	timestampfilter

FrameFilter *	inputfilter

Protected Attributes inherited from USBDevice
int	fd

FrameFilter *	framefilter
	Output FrameFilter.

SetupFrame	setupframe
	This frame is used to send subsession information.

BasicFrame	basicframe
	Data is being copied into this frame.

bool	playing
	Is currently streaming or not.

Static Protected Attributes
static const int	n_ring_buffer = 5

Constructor & Destructor Documentation

◆ V4LDevice()

V4LDevice::V4LDevice ( USBCameraConnectionContext camera_ctx )

Default constructor.

Open the device, query its capabilities

void V4LDevice::open_ ( )

virtual

Init camera device with some parameters.

Reimplemented from USBDevice.

The documentation for this class was generated from the following files: